.form {
    width: 15%;
    margin: 10% auto;
    padding: 5%;
}

.form input {
    display: block;
    width: 100%;
    height: 20px;
}

button {
    border: 1px solid #cccccc;
    border-radius: 4px;
    width: 50%;
    display: inline-block;
    float: left;
}